CN2395403Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector which mainly comprises an insulating body provided with a central slot, a plurality of conductive terminals which are assembled on two lolongate side walls of the insulating body and knockout locking devices which are pivoted on two end sides of the insulating body, wherein, the insulating body is symmetrically and convexly provided with at least two pairs of holding parts which are arranged between adjacent conductive terminals at the intermediate section of the inner wall surfaces of the two lolongate side walls of the slot; the gap between each pair of the holding parts is approximately equal to the thickness of a sub-plate of a circuit so as to steadily hold the sub-plate of a circuit, which causes that even if shocked or vibrated, the sub-board of the circuit can still form reliable contact with the terminal of the utility model, avoiding a phenomenon of instant power failure.

Description

Electric connector

The utility model relates to a kind of electric connector, relates in particular to a kind ofly in order to accommodating the circuit daughter board and to make it to be electrically connected on the motherboard, and strengthens the fixing of circuit daughter board current-carrying part is made the more stable electric connector of signal transmission.

The preceding case technology relevant with this case can be consulted TaiWan, China patent application the 81110052nd, wait patent documentation No. 84209392, the memory module that wherein these prior aries disclosed includes the insulating body of tool central authorities slot with electric connector, what be fixedly arranged in the plurality of conductive terminals on insulating body two longitudinally side walls and be articulated in the insulating body both end sides ejects structures such as locked instrument, the circuit daughter board contacts with the protruding conducting terminal contact site that is exposed in the central slot of electric connector to the conductive spacer that surperficial root edge is arranged by its two relative lengthwise, and then makes between itself and motherboard and reach electric connection.Yet, when reality is made, insert in the central slot for the ease of the circuit daughter board, usually between central slot and circuit daughter board, keep a certain size fit clearance, and the elastic contact part by electric connector terminal directly is resisted against to constitute on the conductive spacer and electrically conducts.But after in the circuit daughter board inserts central slot, if the problem because of dimensional tolerance makes the excessive fit clearance of generation between circuit daughter board and central slot during fabrication, and this excessive fit clearance is not improved by other structure, then this electric connector is being vibrated or external force such as impact is done the time spent, very easily, the existence in these gaps contacts really and produces momentary power failure phenomenon between circuit daughter board and conducting terminal because of causing, so will influence the stable transmission of telecommunication, this is more and more big to capacity, and efficiency of transmission sees that more it is quite disadvantageous remembering module rapidly.In addition, because the contact resilient of the conducting terminal on this electric connector may not be even, act on two lip-deep relatively retain strengths and may have the phenomenon that does not wait, so will make the current-carrying part of circuit daughter board produce integral incline or deflection, this also may make the part terminal contact with the conductive spacer of circuit daughter board and cause the part signal can't conducting.

One of the utility model purpose is to provide the fixing of a kind of reinforcement to circuit daughter board current-carrying part, makes the more stable electric connector of transmission.

A time purpose of the present utility model is to provide the positioning function of a kind of reinforcement to the circuit daughter board, to avoid this daughter board to produce or the electric connector of bending phenomenon slightly.

Another purpose of the present utility model is to provide a kind of current-carrying part that can conveniently guide the circuit daughter board to reach the electric connector of the suitable conductive site in the central slot.

Another purpose of the present utility model be to provide a kind of have suitable retain strength with fixing circuit daughter board on the location, and do not have the electric connector that withdraws from difficult problem.

But a purpose more of the present utility model is to provide a kind of electric connector of reinforced insulation body construction intensity.

The purpose of this utility model is to realize like this, this electric connector mainly includes the insulating body of tool central authorities slot, be fixedly arranged in the plurality of conductive terminals on insulating body two longitudinally side walls and be articulated in the locked instrument that ejects of insulating body both end sides, it is characterized in that: insulating body in its slot two lengthwises to the adjacent conductive terminal of internal face stage casing bottom between symmetry convex with at least two pairs of holding parts, each holding parts all extends setting with the direction of insertion that is parallel to the circuit daughter board, and each all is substantially equal to the thickness of circuit daughter board to the spacing width between holding parts, even make it when being impacted or vibrate, still can reliably contact and the phenomenon of instant cut-off can not occur with the utility model connector terminals to be used for fixing circuit daughter board.

According to above-mentioned creation characteristic, wherein holding parts is several convex ribs perpendicular to central slot bottom surface, each convex rib all extends setting with the direction of insertion that is parallel to the circuit daughter board, and its protruding interior protrusion height of central slot that is exposed to is less than the protruding protrusion height that is exposed in this slot of conducting terminal.In addition, the oblique portion of guiding that each convex rib all is provided with the tool constant slope in its end face place is beneficial to the grafting of circuit daughter board.

Compared with prior art, advantage of the present utility model is:

1., still can guarantee reliable contact the between the conductive spacer of conducting terminal contact site and circuit daughter board on it and momentary power failure phenomenon can not occur even the utility model is when being impacted or vibrate.

2. can prevent from effectively not make this daughter board produce or slightly deflection and then cause and contact untrue phenomenon with the utility model because of the conducting terminal on the two side does not wait the active force of circuit daughter board.

3. can under the situation that insertion force does not increase, be convenient to the insertion of circuit daughter board.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is the three-dimensional exploded view before the utility model and the circuit combination of daughter boards.

Fig. 2 is the stereogram after the utility model and the circuit combination of daughter boards.

Fig. 3 is the top view behind combinational circuit daughter board on the utility model.

Fig. 4 is the cutaway view of Fig. 3 along the A-A line.

Please consult shown in Figure 1ly earlier, the utility model electric connector 1 mainly includes insulating body 2, plurality of conductive terminals 3 and ejects structures such as locked instrument 4.Wherein insulating body 2 is lengthwise " U " body of tool central authorities slot 20, and it is respectively equipped with a row in two lengthwises on sidewall 21 vertical and run through the terminal containing slot 211 of its end face, slot 20 interior sidewall surface and bottom surface.In addition, near distolateral, convex with group connecting part 22 at 2 liang of lengthwises of insulating body respectively, each group connecting part 22 is provided with the guide groove 221 that interlinks with it in its side near central slot 20, and each guide groove 221 is provided with the insertion of the oblique portion 222 of guiding in order to circuit daughter board 5 in the two relative side top.Then offer simultaneously at the opposite side away from central slot 20 and logically to be exposed to the end face of insulating body 2 and the accepting groove 223 of end surface, each accepting groove 223 is provided with pivoted hole 224 in the appropriate position, two side again, articulates wherein for ejecting locked instrument 4.In addition, insulating body 2 respectively is provided with a coupling hole (not shown) in its basal surface both end sides and middle appropriate position, to be used for winding holding part 23.Go up corresponding hole clipping by these holding parts 23 and motherboard (not shown) and fix mutually, and then this electric connector 1 is fixed on the motherboard.Please cooperate again and consult Fig. 3 and shown in Figure 4, insulating body 2 convexes with several to holding parts in 20 liang of lengthwises of its slot to appropriate position, sidewall 21 stage casing symmetry, wherein each holding parts all extends setting with the direction of insertion that is parallel to circuit daughter board 5, and all the thickness with circuit daughter board 5 is suitable to the spacing width between holding parts for each, to be used for that circuit daughter board 5 is carried out fixing.In the present embodiment, these holding parts are that several are perpendicular near the convex rib 24 central slot 20 bottom surfaces, it extends setting with the direction of insertion that is parallel to circuit daughter board 5, and be arranged on the internal face of sidewall 21 211 of two adjacent terminal containing slots, in addition, these convex ribs 24 are protruding relatively to be exposed to protruding dew degree in the central slot 20 less than the conducting terminal 3 protruding height that are exposed to this slot 20 before the winding circuit daughter board not, after in circuit daughter board 5 inserts central slot 20, can utilize these convex ribs 24 that it is carried out clamping and make it reliably that fixing is positioned slot 20 interior (being detailed later).And the oblique portion 241 of guiding that each convex rib 24 also is provided with the tool constant slope in its top side location place is in order to the insertion of guiding circuit daughter board 5.

3 of conducting terminals are contained in the terminal containing slot 211, it has contact site 30, interference part 31 and weld part 32, wherein the contact site 30 protruding slots 20 that are exposed to are interior with the conducting that contacts with the conductive spacer 51 of circuit daughter board 5,31 of interference parts are in order to be fixed in conducting terminal 3 interference groups in the terminal accommodating chamber 211, and weld part 32 then passes outside insulating body 2 bottom surfaces and is welded on the motherboard.

Eject locked instrument 4 pivot joints and rotate in the accepting groove 223 of insulating body 2 group connecting parts 22, it includes structures such as ejection part 41, holding part 42, force section 43 and articulated section 44.Wherein ejection part 41 and holding part 42 are held circuit daughter board 5 in order to eject, to detain respectively, and force section 43 is the position of external force effect.In addition, articulated section 44 can be that rotating shaft produces limited rotation in order to be articulated with the set pivoted hole 224 in accepting groove 22 3 two sides with it so that eject locked instrument 4, and cooperates ejection part 41 and holding part 42 to produce respectively to eject and detain the effect of holding in good time.

See also shown in Figure 2 again, the utility model electric connector 1 is when assembling, earlier with conducting terminal 3 by down from accommodate group and be fixed in the terminal containing slot 211, make the protruding respectively bottom surface that reaches insulating body 2 in the central slot 20 that is exposed to of its contact site 30 and weld part 32, then will eject locked instrument 4 is articulated in the accepting groove 223 of group connecting part 22, rotate ejecting between position and locking position so that this ejects locked instrument 4, and then circuit daughter board 5 is ejected in good time or lock.Then, holding part 23 is fixed in the set coupling hole in insulating body bottom surface (not shown), and fix mutually and this electric connector 1 is fixed on this circuit board by hole clipping corresponding on this holding part 23 and the motherboard, at last circuit daughter board 5 is inserted in the central slot 20 and fix mutually and then it firmly is buckled in this central authorities' slot 20 by groove 52 set on holding part 42 and this daughter board 5.

Compared with prior art, because of insulating body 2 in bottom, its two longitudinally side walls, 21 internal face stage casings Be provided with several convex ribs 24 between two adjacent conducting terminals, thereby work as circuit daughter board 5 and insert on it set Central slot 20 when interior, it can borrow the current-carrying part of 24 pairs of circuit daughter boards 5 of these convex ribs (namely lead Electricity pad 51 zones) fixing in addition, even and make it when being impacted or vibrate, still can guarantee it On conductive spacer 51 and conducting terminal 3 on 30 of contact sites reliably contact and can not occur instantaneous Circut breaking. In addition, because these convex ribs 24 are arranged on the insulating body 2 two side internal faces in pairs, Thereby it also can effectively prevent from not waiting because of the active force of the 3 pairs of circuit daughter boards 5 of conducting terminal on the two side And cause this daughter board 5 to produce crooked phenomenon. Again because of the insertion side of these convex ribs 24 along circuit daughter board 5 Distribute to being the lengthwise strip, thereby can not cause circuit daughter board 5 to insert the utility model electric connector 1 The improper increase of interior insertion force. In addition, these convex ribs 24 are in being provided with guiding near the top side location place Tiltedly section 241 is beneficial to guiding and the insertion of circuit daughter board 5.

Claims (10)

1. electric connector, in order to the electrical path between circuit daughter board and circuit motherboard to be provided, it is provided with the insulating body that tool is accommodated circuit daughter board current-carrying part at least, and is mounted in the insulating body and is respectively equipped with the terminal of extension to be electrically conducted mutually with circuit daughter board and circuit motherboard; It is characterized in that: insulating body is being provided with three holding parts at least in order to accommodate accommodating of circuit daughter board current-carrying part on the zone, and these holding parts be located at least respectively this accommodate the zone neither with on the side surface.

2. electric connector as claimed in claim 1, it is characterized in that: insulating body is a central slot of being located at insulating body one side in order to the zone of accommodating of accommodating circuit daughter board current-carrying part, and this slot respectively is provided with at least one row's terminal containing slot on its two lengthwises interior sidewall surface.

3. electric connector as claimed in claim 1 or 2, it is characterized in that: it is to be arranged at the convex rib of accommodating on the region side walls that insulating body is accommodated holding parts set on regional two interior sidewall surface, these convex ribs are generally accommodates on the two relative interior sidewall surface of zone being arranged in, and each is roughly suitable to the be separated by thickness of width and circuit daughter board current-carrying part region of the protrusion end of convex rib.

4. electric connector as claimed in claim 3, it is characterized in that: described convex rib is accommodated in insulating body with the direction of insertion that is parallel to the circuit daughter board and is provided with between the adjacent terminal containing slot in regional both sides, and is provided with the oblique portion of guiding that the circuit daughter board inserts that is beneficial in the end face of this convex rib.

5. electric connector as claimed in claim 4 is characterized in that: the protruding protrusion height that is exposed in the central slot of conducting terminal before the protruding protrusion height that is exposed in the central slot of described convex rib is not organized less than the circuit daughter board.

6. electric connector as claimed in claim 1 or 2, it is characterized in that: each conducting terminal is all accommodated and is fixed in the insulating body terminal containing slot, its include protruding be exposed in the slot with the contacted contact site of circuit daughter board, be fixed in interference part in the terminal containing slot in order to conducting terminal is accommodated group, and extend from insulation body bottom surface and be soldered to weld part on the motherboard.

7. electric connector as claimed in claim 1 or 2, it is characterized in that: insulating body respectively is provided with group connecting part in its place, two opposite ends, each group connecting part is provided with guide groove in its side near central slot, and these guide grooves and central slot interlink, and are provided with accepting groove in the side away from central slot.

8. electric connector as claimed in claim 7 is characterized in that: the guide groove top of described group connecting part is provided with the oblique portion of guiding and pegs graft in order to the circuit daughter board, then is provided with the pivoted hole that runs through in the appropriate position, two side of the accepting groove of group connecting part.

9. as claim 1 or 8 described electric connectors, it is characterized in that: this electric connector comprises that further one ejects locked instrument, and each ejects locked instrument and includes ejection part, holding part and force section and articulated section.

10. electric connector as claimed in claim 9 is characterized in that: the articulated section that ejects locked instrument is contained in the pivoted hole set on the accepting groove two side.

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